11 "Faux Pas" That Are Actually Okay to Make With Your youtube 留言
https://www.evernote.com/shard/s341/sh/9f82a972-ee25-6a5b-aafc-1876ac5110d4/fc66d2311c5d9e22807c3a2a671f3897
Given that HDMI is often a digital signal, it can't be degraded Substantially before the picture and audio is not really for a longer period decipherable. On analog alerts, you can find quite a bit of degradation